Antares Nuclear, Inc. announced Thursday that its Mark-0 microreactor achieved criticality at Idaho National Laboratory, becoming the first advanced reactor to reach the milestone under a U.S.

Fox said it entered into a deal to acquire Roku for $22 billion. The combination will merge Fox's sports and news networks, as well as its free ad-supported streamer Tubi, with Roku, which makes ...

SALT LAKE CITY — A small modular nuclear reactor has achieved "criticality" in eastern Utah, the company behind the project announced. Valar Atomics said its reactor being tested at the San Rafael ...

Antares Nuclear's microreactor reached criticality, a key step toward producing electricity by 2027. The company is the first private firm to achieve the milestone under a Trump administration program ...

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical in the United States in more than 40 years reached a major milestone when ...

Russia's military hackers targeted home routers across 23 states. Here's what to do Here's what Chick-fil-A really does with leftover chicken Talay Riley, songwriter for Dua Lipa, Britney Spears, ...

The scientific community has a plan for achieving fusion power. It involves getting a better understanding of how to control fusion in a tokamak-style reactor using the currently under construction ...

The owner of the former Oyster Creek nuclear plant is considering building four small modular reactors on the site. These new reactors would double the power output of the original plant and are seen ...

KASHIWAZAKI, Japan (AP) — Japan has resumed operations at the world’s largest nuclear power plant to help the country meet huge electricity demands during a global oil crisis, but the reboot ...